Blood Pressure Control Flashcards
Aldosterone
Hormonal
Hours
Medium feedback
Baroreceptors
Nervous moment to moment (normal)
Seconds but only last days
Max feedback
Acts on high/low pressure
Afferent is hearings to glossopharyngeal for carotid 50-60 minimum
Afferent is vagus for aortic 80-90 minimum
Capillary fluid shifts
Physiological normal to abnormal change
Acts in minutes
Medium feedback
Acts when pressure is low
Chemoreceptors
Nervous
Acts in seconds
Medium feedback
Acts when pressure is low
Nutrient arteries in carotid artery and aortic bodies.
Excites the vasomotor center
CNS ischemic response
Nervous
Acts in seconds
Large feedback
Acts in VERY low pressures
Renal-blood volume pressure control
Kidneys
Acts in hours
Infinite feedback
Renin-angiotensin-vasoconstriction
Hormonal
Acts in minutes
Medium feedback
Acts on low pressures
Stress relaxation of vasculature
Physiological
Responds in seconds
Medium feedback